B&K Precision 2658A - Manual - Manual (Page 10)

4
2. Specifications
2.1 Performance
 Frequency section
2650A, 2652A, 2651 2658A
Frequency range 50 kHz to 3.3 GHz 50 kHz to 8.5 GHz
―――
Frequency
range Frequency
band Harmonic
order
50 k to 3.5
GHz Base band 1
3.3 G to 6.3
GHz Band 1- 1
6.1 G to 8.5
GHz Band 1+ 1
Center frequency
Setting
resolution 20 kHz
Allows rotary encoder, numeric key and function key
Accuracy within ± (30+20T) kHz±1 dot
@frequency span: 200 kHz to 10 MHz,
RBW 3 kHz, 23±5°C
within ± (60+300T) kHz±1dot
@frequency span: 20 MHz to 3.3 GHz,
RBW 100 kHz、23±5°C
T: sweep time (s) within ±(30+20T) kHz ± 1 dot
@frequency span: 200 kHz to 10 MHz,
RBW 3 kHz, 23±5°C
within ± (60＋300T) kHz±1dot
@frequency span: 20 MHz to 8.5 GHz,
RBW 100 kHz, 23±5°C
T: sweep time (s)
RBW
frequency
error within ±4 kHz @ 3 kHz, 10 kHz, 30 kHz
within 20% of RBW @ RBW: 100 kHz, 300 kHz
within 10% of RBW @ RBW: 1 MHz, 3 MHz
Frequency span
Setting range 0 Hz (zero span),
200 kHz to 2 GHz (1-2-5 step) and
3.3 GHz (full span) 0 Hz (zero span),
200 kHz to 5 GHz (1-2-5 step) and
8.5 GHz (full span)
Accuracy within ±3% ±1dot
@ sweep time of 0.3s, 23±5 °C
Display resolution
# of points per trace 501dots on LCD screen, 1001dots readout via PC
(501 dots are visible on the display, 1001 dots of trace data are captured internally and can be
transferred to a PC via USB device interface.)
Resolution bandwidth 3 dB bandwidth (6 dB for 2651 @ 9 kHz, 120 kHz)
Setting range 3 kHz to 3 MHz (1-3 step) and AUTO
(2651: 3 kHz, 9 kHz, 30 kHz, 120 kHz, 300 kHz, 1 MHz, 3 MHz)
Accuracy ±20%
Selectivity 1:12 (typical, 3 dB : 60 dB)
Video bandwidth 100 Hz to 1 MHz (1-3 step) and AUTO
SSB phase noise -90 dBc/Hz (typical)
@100 kHz offset, RBW : 3 kHz, VBW : 100 Hz, sweep time: 1 s
Spurious response less than -60 dBc
Harmonics less than -40 dBc @
≧100 MHz
Ｔ：掃引時間